Mariah Carey has one of the most well-known voices in the world, but even her most diehard fans or should we say "lambs" may have a difficult time identifying her signature pipes when she guest-stars on American Dad.On ...

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By TV Guide

The Telegram

By TV Guide

Posted Nov. 21, 2013 at 6:59 PM

By TV Guide

Posted Nov. 21, 2013 at 6:59 PM

Mariah Carey has one of the most well-known voices in the world, but even her most diehard fans - or should we say "lambs" - may have a difficult time identifying her signature pipes when she guest-stars on American Dad.

On Sunday's episode (9:30/8:30c, Fox), Carey plays a Texas native named Laura, who invites Stan to join her and her husband's Thanksgiving football tailgate when his own turkey day festivities don't go as planned.